DST of Niagara falls in 2025
- Jan
 - Feb
 - Mar
 - Apr
 - May
 - Jun
 - Jul
 - Aug
 - Sep
 - Oct
 - Nov
 - Dec
 
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At Sun Mar 9 02:00:00 2025, clocks in Niagara falls are turned forward 1 hour to Sun Mar 9 03:00:00 2025 to start DST
 - 
At Sun Nov 2 02:00:00 2025, clocks in Niagara falls are turned backward 1 hour to Sun Nov 2 01:00:00 2025 to end DST
 
DST of Niagara falls Over Years
| Year | Commences | Abbreviations | Time Change | Offset After | 
| 1940 | 04-28, Sun 03:00  | 
EST -> EDT | 1 hour forward (start of DST) | UTC-0400 | 
| 09-29, Sun 01:00  | 
EDT -> EST | 1 hour backward (end of DST) | UTC-0500 | |
| 1941 | 04-27, Sun 03:00  | 
EST -> EDT | 1 hour forward (start of DST) | UTC-0400 | 
| 09-28, Sun 01:00  | 
EDT -> EST | 1 hour backward (end of DST) | UTC-0500 | |
| 1942 | 02-09, Mon 03:00  | 
EST -> EWT | 1 hour forward (start of DST) | UTC-0400 | 
| 1943 - 1944 | No changes, UTC-0400 all of the period | |||
| 1945 | 08-14, Tue 19:00  | 
EWT -> EPT | 0 hour forward | UTC-0400 | 
| 09-30, Sun 01:00  | 
EPT -> EST | 1 hour backward (end of DST) | UTC-0500 | |
| 1946 | 04-28, Sun 03:00  | 
EST -> EDT | 1 hour forward (start of DST) | UTC-0400 | 
| 09-29, Sun 01:00  | 
EDT -> EST | 1 hour backward (end of DST) | UTC-0500 | |
| 1947 | 04-27, Sun 03:00  | 
EST -> EDT | 1 hour forward (start of DST) | UTC-0400 | 
| 09-28, Sun 01:00  | 
EDT -> EST | 1 hour backward (end of DST) | UTC-0500 | |
| 1948 | 04-25, Sun 03:00  | 
EST -> EDT | 1 hour forward (start of DST) | UTC-0400 | 
| 09-26, Sun 01:00  | 
EDT -> EST | 1 hour backward (end of DST) | UTC-0500 | |
| 1949 | 04-24, Sun 03:00  | 
EST -> EDT | 1 hour forward (start of DST) | UTC-0400 | 
| 09-25, Sun 01:00  | 
EDT -> EST | 1 hour backward (end of DST) | UTC-0500 | |